package com.example.redis.config;

import com.alibaba.fastjson2.JSON;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import java.nio.charset.Charset;

public class JsonRedisSerializer<T> implements RedisSerializer<T> {
 public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
 private Class<T> clazz;
 public JsonRedisSerializer(Class<T> clazz) {
 super();
 this.clazz = clazz;
 }
 @Override
 public byte[] serialize(T t) throws SerializationException {
 if (t == null) {
 return new byte[0];
 }
 return JSON.toJSONString(t).getBytes(DEFAULT_CHARSET);
 }
 @Override
 public T deserialize(byte[] bytes) throws SerializationException {
 if (bytes == null || bytes.length <= 0) {
 return null;
 }
 String str = new String(bytes, DEFAULT_CHARSET);
 return JSON.parseObject(str, clazz);
 }
}